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sherry pengsherry peng 

what's fields map in formula editor

hi, All,
I am trying to set default value for a text field using formula. When doing this, the system asks me to choose field type and there several choices of $Setup.objectName_Fields_Map__c. These fields type including standard and custom objects as shown in following picture.
User-added image
For example, I can insert $Setup.Aircraft_Product_Fields_Map__c.Aircraft_Product_Id__c __c.Aircraft_Product_Id__c field which is custom object with custom field. Do you have any idea on where I can set which objects can be shown on this drop down list. 
Best Answer chosen by sherry peng
sherry pengsherry peng
Finally find out. they are custom settings. And only hierarchy custom list will show here. And it will use that organization default value to set the fields default value. 

All Answers

sherry pengsherry peng
Does anyone know this?
sherry pengsherry peng
Finally find out. they are custom settings. And only hierarchy custom list will show here. And it will use that organization default value to set the fields default value. 
This was selected as the best answer